1143182785668 has 144 divisors (see below), whose sum is σ = 3395241739008. Its totient is φ = 296032968000.

The previous prime is 1143182785609. The next prime is 1143182785727. The reversal of 1143182785668 is 8665872813411.

It is an interprime number because it is at equal distance from previous prime (1143182785609) and next prime (1143182785727).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1873923 + ... + 2407893.

It is an arithmetic number, because the mean of its divisors is an integer number (23578067632).

Almost surely, 2^{1143182785668} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143182785668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697620869504).

1143182785668 is an abundant number, since it is smaller than the sum of its proper divisors (2252058953340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143182785668 is a wasteful number, since it uses less digits than its factorization.

1143182785668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534334 (or 534325 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 60.

The spelling of 1143182785668 in words is "one trillion, one hundred forty-three billion, one hundred eighty-two million, seven hundred eighty-five thousand, six hundred sixty-eight".